The “completely unexpected” behavior reported in scalloped hammerhead sharks raises questions about how widespread it may be among other species. By holding their breath, scalloped hammerhead ...

A dramatic-looking shark holds its breath for about 17 minutes to stay warm during hunting dives in cold water, scientists have found. Scalloped hammerhead sharks (Sphyrna lewini) are found in ...

Even fish sometimes hold their breath in cold, dark, deep water. Scalloped hammerhead sharks living near Hawaii spend their days basking in warm surface waters. But at night, these fish hunt for ...

Scalloped hammerhead sharks hold their breath to keep their bodies warm during deep dives into cold water where they hunt prey such as deep sea squids, according to a study published Thursday in ...

Royer set out to study the diving habits of a species of sharks called scalloped hammerheads. They're known for swimming in coastal waters with warmer temperatures, but earlier studies showed they ...

Scalloped hammerhead sharks hold their breath to keep their bodies warm during deep dives into cold water where they hunt prey such as deep sea squids. This discovery, published today in Science ...

Scalloped hammerhead sharks used to seek refuge at two Mexican seamounts, but it appears fishing has killed them off. When you purchase through links on our site, we may earn an affiliate commission.

A study published Thursday in the journal Science shows how one species, Sphyrna lewini or scalloped hammerhead sharks, stay warm during their nightly dives: They skip the frills and close their ...

Scalloped hammerhead sharks are found in coastal warm-temperature and tropical waters but repeatedly dive to depths of more than half a mile (800 m) to feed. The temperature at these depths can be ...

In the Pacific Ocean, near the Galapagos Islands, divers routinely see scalloped hammerhead sharks schooling in groups that are hundreds strong. Huge schools used to be common in the Caribbean ...

These sharks are known for doing spinning jumps out of water and through schools of fish. Scalloped hammerhead shark (Sphyrna lewini), Galapagos Islands, Ecuador (Getty Images) Scalloped ...

NPR's Geoff Brumfiel has more. GEOFF BRUMFIEL, BYLINE: The scalloped hammerhead shark lives in oceans all over the planet. MARK ROYER: It's one of the larger but not the largest hammerhead species.